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1 vote

Chi-square test results interpretation

You have a huge number of observations. Consequently, the test is highly sensitive to small differences. The test has considerable statistical power to detect these. You are within your rights to say ...
Dave's user avatar
  • 3,863
7 votes

How does a Neural Net handle an unseen class for a Categorical Feature?

Typically feature X would be presented to the NN via one hot encoding. So we have three (boolean) indicator variables, denoting the presence of A, B, or C. If the problem domain admits of D or E ...
J_H's user avatar
  • 1,055
-1 votes

how to handle categorical data that has two or more columns with unique values?

it totally depends upon how many unique values does your categorical column has if your categorical column has : -> more number of unique values and no ranking then you should not prefer one hot ...
161shaa's user avatar

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